Etymology: Populus: Latin for "poplar," derivation obscure
Plants: perennial tree 30'-40' tall with smooth, light greenish-gray bark darkening and furrowing with age; forming large clones
Leaves: dark green on top, light green below; roundish oval to kidney shaped; finely toothed
Flowers: 1"-3" long hanging catkin
Habitat: moist; upland woods, streambanks, often on burned or cut-over areas
Conservation Status: Native - potentially invasive

Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 2, Wetland Indicator = FAC WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Trees: Photos, descriptions, information USGS - Northern Prairie Wildlife Research Center: Wetland Plants and Plant Communities of Minnesota and Wisconsin Virginia Tech Dept. of Forestry, College of Natural Resources: detailed description and photographs Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada" Landscape Plants of the Upper Midwest; UW-Extension: Interactive guide providing information on cultivation including: soil, zone, growth rate, landscape uses, pruning, light requirements; with photos and Latin name pronounciation